作业帮1/2+1/4+1/8+1/16+1/32+1/64的简便运算
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1/2+1/4+1/8+1/16+1/32+1/64的简便运算
1/2+1/4+1/8+1/16+1/32+1/64的简便运算
1/2+1/4+1/8+1/16+1/32+1/64的简便运算
1/2+1/4+1/8+1/16+1/32+1/64
=1/2+1/4+1/8+1/16+1/32+1/64+1/64-1/64
=1/2+1/4+1/8+1/16+1/32+1/32-1/64
=1/2+1/4+1/8+1/16+1/16-1/64
=1/2+1/4+1/8+1/8-1/64
=1/2+1/4+1/4-1/64
=1/2+1/2-1/64
=1-1/64
=63/64
希望帮到你
1/2(1+2+4+8+16+32)=63/2 望采纳
等比数列求和公比是1/2主要是运算过程我学了好久了，都忘了先想想你去网上查查你等等